ADOPTED LEVELS, GAMMAS for 197At

Authors: Huang Xiaolong, Zhou Chunmei |  Citation: Nucl. Data Sheets 104, 283 (2005) |  Cutoff date: 1-Jan-2002 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=-7.82×103 keV 7S(n)= 1.050×104 keV 6S(p)= 1.5×102 keV 6Q(α)= 7.10×103 keV 5
Reference: 2012WA38

References:
  A  201Fr α decay  B  165Ho(36Ar,4nγ)

General Comments:

Identification: 185Re(20Ne,8N) E=100-200 MeV (1967Tr06) excit; populated by Eα=7388 15 (1980Ew03) via 48-ms 201Fr decay

Q-value: Note: Current evaluation has used the following Q record








E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)
    0.0AB (9/2-) 0.388 s 6 
% α = 96.1 12
% ε = 3.9 12
  
   52 10    (1/2+) 2.0 s 2 
% ε = ?
% IT ≤ 0.004
% α ≤ 100
  
  311.0 10  B (13/2+)     311
  100
  324.0 10  B (13/2-)     324
  100

T1/2(level): From 1986Co12 and 1985HuZY.

Back to top

Back to top

Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
    0.0(9/2-) 0.388 s 6 
% α = 96.1 12
% ε = 3.9 12
Other: %α=96 4,%ε+%β+=4 4 (1980Sc26,1973Ta30), |<100 (1986Co12,1985HuZY). Compared to 90 5 for 199At, 71 7 for 201At, 69 for 203At, 10 for 205At, 8.7 for 207At.
E(level): Other: %α=96 4,%ε+%β+=4 4 (1980Sc26,1973Ta30), |<100 (1986Co12,1985HuZY). Compared to 90 5 for 199At, 71 7 for 201At, 69 for 203At, 10 for 205At, 8.7 for 207At.

Back to top